Serrated flange spring nuts feature integrated washer designs that provide strong vibration resistance, ensuring secure fastening in dynamic environments. Manufactured from high-quality carbon steel, alloy steel, stainless steel, and brass, these spring nuts comply with standards such as IFI-145 and DIN69232, offering various thread types and finishes to suit diverse industrial applications. Their serrated flange structure enhances grip on surfaces, eliminating the need for additional washers while maintaining reliability in structural, mechanical, and automotive assemblies.
Our dedicated team embodies unmatched expertise and precision in manufacturing Serrated Flange Spring Nuts, ensuring every piece is vibration-resistant and washer integrated for superior performance. Combining engineering excellence with rigorous quality control, our specialists collaborate to deliver products that guarantee reliability and durability in demanding applications. Their deep understanding of fastening technology drives continuous innovation, enhancing safety and efficiency for our customers. This strong team synergy not only upholds stringent industry standards but also accelerates product development, providing you with trusted, high-quality fastening solutions that withstand the toughest conditions and maximize operational stability.
Our team of engineers and quality specialists brings extensive expertise in fastening solutions, ensuring each Serrated Flange Spring Nut is designed for optimal vibration resistance and reliable performance. With a deep understanding of mechanical stresses and materials science, our professionals innovate integrated washer designs that enhance fastening stability and reduce maintenance needs. Committed to precision manufacturing and rigorous testing, our team guarantees consistent product quality that meets industry standards. This collaboration of technical skill and quality focus delivers durable, high-performance nuts that support your projects’ long-term success, embodying strength both in product and in the expertise behind it.
1. Standard: IFI-145; DIN6923
2. Size: #6-3/4''; M5-M20
3. Material: Carbon Steel, Alloy Steel, Stainless Steel, Brass
4. Grade: SAE J995 Gr.2, 5,8; CL4, 5, 6, 8, 10, 12
5. Thread: M, UNC, UNF
6. Finish: Plain,ZincPlated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G.
7. Packing: bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
8. Application: Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating
9. Test Equipments: Caliper,Go&No-go gauge,Tensile test machine,Hardness tester,Salt spraying tester, H.D.G. thickness tester, 3D detector,Projector,Magnetic flaw detecter
10. Supply Ability: 1000 tons per month
11. MinimumOrde: 1000kgs for each specification
12. Trade Term: FOB/CIF/CFR/CNF/EXW/DDU/DDP
13. Payment Term: T/T, L/C , D/A , D/P, etc
14. Market: South&north Amrica/Europe/East&South east Asia/ Australia and ect.












Third-party inspection report on the grade 10 flange nuts produced by JM Hardware®




